21607157

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 26088480

約数和(自身を除く): 4481323

約数列:

[1, 11, 13, 59, 143, 169, 197, 649, 767, 1859, 2167, 2561, 8437, 9971, 11623, 28171, 33293, 109681, 127853, 151099, 366223, 1662089, 1964287, 21607157]

約数ペア:

[(1, 21607157), (11, 1964287), (13, 1662089), (59, 366223), (143, 151099), (169, 127853), (197, 109681), (649, 33293), (767, 28171), (1859, 11623), (2167, 9971), (2561, 8437)]